hp designjet scanner series

select printer | scanner series | disassembly instructions

hp designjet scanner series

» disassembly instructions

» disassembly instructions

» introduction

» entry roller shield

» exit roller shield

» camera board

» camera motor

» power supply unit

» driver board

» main electronics board

» smart card reader

» interface board card

» interface board

» stepper motor

» fluorescent lamp

» media detector wires

» media sensors

» bottom cover

» mirror chassis

» reflector assembly

» stitching wire

» white background assembly

» thickness sensor

» part number selector

» exploded views

» service manual

» general information



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driver board



	Switch the printer, scanner and the PC OFF, and disconnect them from the power source prior to performing any maintenance.



			1. Remove the » Top Cover



			2. Remove 3 screws from the Plastic Protector that covers the Driver Board.



			3. Remove the Plastic Protector.



			4. Remove the 3 screws and 4 long nuts that secure the Driver Board.



			5. Disconnect ALL the cables from the Driver Board.



			6. Remove the Driver Board from the scanner. After reinstalling the Driver Board, you must adjust the Lamp Driver as follows: a. Switch the scanner ON and leave for at least 30 minutes. b. Turn P3 Counter-Clockwise until LED 3 switches OFF (LED 4 should be ON). c. Slowly turn P2 Clockwise until LED 3 switches ON.

If P2 is turned further Clockwise, LED 4 will eventually turn OFF. If both LED's are ON, the lamp driver is within the acceptable working range. If either of the LED's is OFF, the lamp driver should be adjusted.


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